20212300231 has 2 divisors, whose sum is σ = 20212300232. Its totient is φ = 20212300230.

The previous prime is 20212300219. The next prime is 20212300247. The reversal of 20212300231 is 13200321202.

It is an a-pointer prime, because the next prime (20212300247) can be obtained adding 20212300231 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212300231 is a prime.

It is a super-2 number, since 2×20212300231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212300531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106150115 + 10106150116.

It is an arithmetic number, because the mean of its divisors is an integer number (10106150116).

Almost surely, 2^20212300231 is an apocalyptic number.

20212300231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212300231 is an equidigital number, since it uses as much as digits as its factorization.

20212300231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20212300231 its reverse (13200321202), we get a palindrome (33412621433).

The spelling of 20212300231 in words is "twenty billion, two hundred twelve million, three hundred thousand, two hundred thirty-one".